package com.aihwcm.entity;

import java.util.List;

import org.hibernate.LockOptions;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;

import static org.hibernate.criterion.Example.create;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.transaction.annotation.Transactional;

/**
 * A data access object (DAO) providing persistence and search support for
 * Aihdocuments entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see com.aihwcm.entity.Aihdocuments
 * @author MyEclipse Persistence Tools
 */
@Transactional
public class AihdocumentsDAO {
	private static final Logger log = LoggerFactory
			.getLogger(AihdocumentsDAO.class);

	private SessionFactory sessionFactory;

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	private Session getCurrentSession() {
		return sessionFactory.getCurrentSession();
	}

	protected void initDao() {
		// do nothing
	}

	public void saveOrUpdate(Aihdocuments transientInstance) {
		log.debug("saving Aihdocuments instance");
		try {
			getCurrentSession().saveOrUpdate(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Aihdocuments persistentInstance) {
		log.debug("deleting Aihdocuments instance");
		try {
			getCurrentSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Aihdocuments findById(java.lang.Integer id) {
		log.debug("getting Aihdocuments instance with id: " + id);
		try {
			Aihdocuments instance = (Aihdocuments) getCurrentSession().get(
					"com.aihwcm.entity.Aihdocuments", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List<Aihdocuments> findByExample(Aihdocuments instance) {
		log.debug("finding Aihdocuments instance by example");
		try {
			List<Aihdocuments> results = (List<Aihdocuments>) getCurrentSession()
					.createCriteria("com.aihwcm.entity.Aihdocuments")
					.add(create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Aihdocuments instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from Aihdocuments as model where model."
					+ propertyName + "= ?";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findAll() {
		log.debug("finding all Aihdocuments instances");
		try {
			String queryString = "from Aihdocuments";
			Query queryObject = getCurrentSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Aihdocuments merge(Aihdocuments detachedInstance) {
		log.debug("merging Aihdocuments instance");
		try {
			Aihdocuments result = (Aihdocuments) getCurrentSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Aihdocuments instance) {
		log.debug("attaching dirty Aihdocuments instance");
		try {
			getCurrentSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Aihdocuments instance) {
		log.debug("attaching clean Aihdocuments instance");
		try {
			getCurrentSession().buildLockRequest(LockOptions.NONE).lock(
					instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static AihdocumentsDAO getFromApplicationContext(
			ApplicationContext ctx) {
		return (AihdocumentsDAO) ctx.getBean("AihdocumentsDAO");
	}

	public int count(Aihchannels aihchannels, Aihusers user) {

		try {
			String queryString = "select count(*) from Aihdocuments as model where model.aihchannels = :aihchannels and model.aihusers = :aihusers";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter("aihchannels", aihchannels);
			queryObject.setParameter("aihusers", user);
			return ((Long) queryObject.iterate().next()).intValue();

		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<Aihdocuments> listpage(Aihchannels aihchannels, int offset,
			int limit, String docstate) {

		try {
			String queryString = "from Aihdocuments as model where model.aihchannels = :aihchannels and model.docstate = :docstate order by model.docid desc";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter("aihchannels", aihchannels);
			queryObject.setParameter("docstate", docstate);
			queryObject.setFirstResult(offset);
			queryObject.setMaxResults(limit);

			return queryObject.list();

		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<Aihdocuments> listpage(Aihchannels aihchannels, int offset,
			int limit, Aihusers user) {

		try {
			String queryString = "from Aihdocuments as model where model.aihchannels = :aihchannels and model.aihusers = :aihusers order by model.docid desc";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter("aihchannels", aihchannels);
			queryObject.setParameter("aihusers", user);
			queryObject.setFirstResult(offset * limit);
			queryObject.setMaxResults(limit);

			return queryObject.list();

		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public int count(String docstate) {

		try {
			String queryString = "select count(*) from Aihdocuments as model where model.docstate = :docstate";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter("docstate", docstate);
			return ((Long) queryObject.iterate().next()).intValue();

		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<Aihdocuments> listpage(int offset, int limit, String docstate) {

		try {
			String queryString = "from Aihdocuments as model where model.docstate = :docstate order by model.docid desc";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter("docstate", docstate);
			queryObject.setFirstResult(offset * limit);
			queryObject.setMaxResults(limit);

			return queryObject.list();

		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<Aihdocuments> findAll(Aihchannels channel, Aihusers user) {
		log.debug("finding all Aihdocuments instances");
		try {
			String queryString = "from Aihdocuments as model where model.aihchannels = :aihchannels and model.aihusers = :aihusers order by model.docid desc";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter("aihchannels", channel);
			queryObject.setParameter("aihusers", user);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public int count(Aihchannels aihchannels, Aihusers user, String search) {

		try {
			String queryString = "select count(*) from Aihdocuments as model where model.aihchannels = :aihchannels and model.aihusers = :aihusers and model.docname LIKE :search";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter("aihchannels", aihchannels);
			queryObject.setParameter("aihusers", user);
			queryObject.setParameter("search", search);
			return ((Long) queryObject.iterate().next()).intValue();

		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}
	
	public List<Aihdocuments> listpage(Aihchannels aihchannels, int offset,
			int limit, Aihusers user, String search ) {

		try {
			String queryString = "from Aihdocuments as model where model.aihchannels = :aihchannels and model.aihusers = :aihusers and model.docname LIKE :search order by model.docid desc";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter("aihchannels", aihchannels);
			queryObject.setParameter("aihusers", user);
			queryObject.setParameter("search", search);
			queryObject.setFirstResult(offset * limit);
			queryObject.setMaxResults(limit);

			return queryObject.list();

		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}
	
	public int count(String docstate, String search) {

		try {
			String queryString = "select count(*) from Aihdocuments as model where model.docstate = :docstate and model.docname LIKE :search";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter("docstate", docstate);
			queryObject.setParameter("search", search);
			return ((Long) queryObject.iterate().next()).intValue();

		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<Aihdocuments> listpage(int offset, int limit, String docstate, String search) {

		try {
			String queryString = "from Aihdocuments as model where model.docstate = :docstate and model.docname LIKE :search order by model.docid desc";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter("docstate", docstate);
			queryObject.setParameter("search", search);
			queryObject.setFirstResult(offset * limit);
			queryObject.setMaxResults(limit);

			return queryObject.list();

		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}
	
}